Problem with padding and lost of data
wk at gnupg.org
Sun Jul 22 18:19:39 CEST 2012
On Fri, 20 Jul 2012 01:59, contato at tiago.eti.br said:
> 1) When I use padding, it is not removed during the decryption. And I am
> adding the "(flags pkcs1)" to S-expression before decrypt.
IIRC, the decryption feature has only been available since 1.5.0. Do
you use this version? Older version allow to pass the flag but dod not
> 2) If I do not use padding and I encrypt and decrypt a block of bytes
> which starts with the byte zero, I lose that first byte after decryption.
Never ever use RSA without padding. Thus this is not relevant.
The zero is missing because the raw data is treated as a number and
leading zeroes are removed.
Die Gedanken sind frei. Ausnahmen regelt ein Bundesgesetz.
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